Finding the Fourth Proportional to 105,900.90, 146,158.52 and 63,463.38

Step by Step Solution

1. Step 1: Write the proportion equation
   105,900.90 : 146,158.52 = 63,463.38 : x
2. Step 2: Convert to fraction form
   105,900.90/146,158.52 = 63,463.38/x
3. Step 3: Cross multiply
   105,900.90x = 146,158.52 × 63,463.38
4. Step 4: Simplify right side
   105,900.90x = 9,275,713,377.68
5. Step 5: Solve for x
   x = 9,275,713,377.68/105,900.90
6. Step 6: Final answer
   x = 87,588.62